US11796989B2 - Monitoring system and monitoring method - Google Patents

Monitoring system and monitoring method Download PDF

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Publication number
US11796989B2
US11796989B2 US17/050,654 US201917050654A US11796989B2 US 11796989 B2 US11796989 B2 US 11796989B2 US 201917050654 A US201917050654 A US 201917050654A US 11796989 B2 US11796989 B2 US 11796989B2
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monitoring
node
variable
abnormality
value
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US20210240174A1 (en
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Wei Wang
Kojin Yano
Tetsushi Suzuki
Kenichirou OKADA
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Hitachi Ltd
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Hitachi Ltd
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Assigned to HITACHI, LTD. reassignment HITACHI, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: OKADA, Kenichirou, SUZUKI, TETSUSHI, WANG, WEI, YANO, KOJIN
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0243—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults model based detection method, e.g. first-principles knowledge model
    • G05B23/0245—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults model based detection method, e.g. first-principles knowledge model based on a qualitative model, e.g. rule based; if-then decisions
    • G05B23/0248—Causal models, e.g. fault tree; digraphs; qualitative physics
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • G05B23/021—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system adopting a different treatment of each operating region or a different mode of the monitored system, e.g. transient modes; different operating configurations of monitored system
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
    • G05B23/0275—Fault isolation and identification, e.g. classify fault; estimate cause or root of failure
    • G05B23/0281—Quantitative, e.g. mathematical distance; Clustering; Neural networks; Statistical analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N20/00—Machine learning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/20—Administration of product repair or maintenance
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/26—Government or public services
    • G06Q50/40—
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
    • G05B23/0283—Predictive maintenance, e.g. involving the monitoring of a system and, based on the monitoring results, taking decisions on the maintenance schedule of the monitored system; Estimating remaining useful life [RUL]
US17/050,654 2018-09-27 2019-02-08 Monitoring system and monitoring method Active 2040-09-02 US11796989B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018181281A JP7036697B2 (ja) 2018-09-27 2018-09-27 監視システム及び監視方法
JP2018-181281 2018-09-27
PCT/JP2019/004735 WO2020066052A1 (fr) 2018-09-27 2019-02-08 Système de surveillance et procédé de surveillance

Publications (2)

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US20210240174A1 US20210240174A1 (en) 2021-08-05
US11796989B2 true US11796989B2 (en) 2023-10-24

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US17/050,654 Active 2040-09-02 US11796989B2 (en) 2018-09-27 2019-02-08 Monitoring system and monitoring method

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US (1) US11796989B2 (fr)
EP (1) EP3859472B1 (fr)
JP (1) JP7036697B2 (fr)
WO (1) WO2020066052A1 (fr)

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* Cited by examiner, † Cited by third party
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US11532132B2 (en) * 2019-03-08 2022-12-20 Mubayiwa Cornelious MUSARA Adaptive interactive medical training program with virtual patients
CN111950936B (zh) * 2020-08-31 2023-08-18 平安国际智慧城市科技股份有限公司 空气质量监测方法、装置、设备及介质
JP7188470B2 (ja) * 2021-01-28 2022-12-13 横河電機株式会社 分析方法、分析プログラムおよび情報処理装置
CN115310567B (zh) * 2022-10-12 2022-12-20 合肥凯泉电机电泵有限公司 一种基于大数据的污水处理设备运行监测系统及方法
CN115422555B (zh) * 2022-11-04 2023-02-28 北京华云安信息技术有限公司 后门程序检测方法、装置、电子设备及存储介质

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JPH10238920A (ja) 1997-02-24 1998-09-11 Sanyo Electric Co Ltd 機器の運転状態管理装置
EP1724717A2 (fr) 2001-03-08 2006-11-22 California Institute Of Technology Estimation de la cohérence spatio-temporelle en temps réel pour identification en mode autonome et recherche de l'invariance
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WO2010082322A1 (fr) 2009-01-14 2010-07-22 株式会社日立製作所 Procédé et système de contrôle d'anomalie de dispositif
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JP2016045556A (ja) 2014-08-20 2016-04-04 日本電信電話株式会社 ログ間因果推定装置、システム異常検知装置、ログ分析システム、及びログ分析方法
WO2018140365A1 (fr) 2017-01-24 2018-08-02 Siemens Aktiengesellschaft Système et procédé de technologie d'ingénierie cognitive pour automatisation et commande de systèmes
EP3358508A1 (fr) 2017-02-03 2018-08-08 Kabushiki Kaisha Toshiba Appareil de détection d'anomalies, procédé de détection d'anomalies et programme
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JPH09269217A (ja) 1996-03-29 1997-10-14 Kawasaki Heavy Ind Ltd 鉄道用軌道の異常検知方法および異常検知装置
JPH10238920A (ja) 1997-02-24 1998-09-11 Sanyo Electric Co Ltd 機器の運転状態管理装置
EP1724717A2 (fr) 2001-03-08 2006-11-22 California Institute Of Technology Estimation de la cohérence spatio-temporelle en temps réel pour identification en mode autonome et recherche de l'invariance
US7181374B1 (en) 2001-05-31 2007-02-20 Vanderbilt University Qualitative diagnosis system and method
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EP3358508A1 (fr) 2017-02-03 2018-08-08 Kabushiki Kaisha Toshiba Appareil de détection d'anomalies, procédé de détection d'anomalies et programme
US20190095300A1 (en) * 2017-09-27 2019-03-28 Panasonic Intellectual Property Corporation Of America Anomaly diagnosis method and anomaly diagnosis apparatus
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Also Published As

Publication number Publication date
WO2020066052A1 (fr) 2020-04-02
JP7036697B2 (ja) 2022-03-15
EP3859472B1 (fr) 2023-10-25
EP3859472A1 (fr) 2021-08-04
EP3859472A4 (fr) 2022-06-15
JP2020052714A (ja) 2020-04-02
US20210240174A1 (en) 2021-08-05

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